274140439 has 2 divisors, whose sum is σ = 274140440. Its totient is φ = 274140438.

The previous prime is 274140421. The next prime is 274140467. The reversal of 274140439 is 934041472.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274140439 - 2⁵ = 274140407 is a prime.

It is a super-2 number, since 2×274140439² = 150305960590225442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274140479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137070219 + 137070220.

It is an arithmetic number, because the mean of its divisors is an integer number (137070220).

Almost surely, 2^274140439 is an apocalyptic number.

274140439 is a deficient number, since it is larger than the sum of its proper divisors (1).

274140439 is an equidigital number, since it uses as much as digits as its factorization.

274140439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 274140439 is about 16557.1869289442. The cubic root of 274140439 is about 649.6174782851.

The spelling of 274140439 in words is "two hundred seventy-four million, one hundred forty thousand, four hundred thirty-nine".